JPH01100199U - - Google Patents

Info

Publication number
JPH01100199U
JPH01100199U JP19525887U JP19525887U JPH01100199U JP H01100199 U JPH01100199 U JP H01100199U JP 19525887 U JP19525887 U JP 19525887U JP 19525887 U JP19525887 U JP 19525887U JP H01100199 U JPH01100199 U JP H01100199U
Authority
JP
Japan
Prior art keywords
opening
resonance chamber
housing
adjustment member
communicates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19525887U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP19525887U priority Critical patent/JPH01100199U/ja
Publication of JPH01100199U publication Critical patent/JPH01100199U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第１図はこの考案に係る圧電ブザーの一実施例
を示す断面図、第２図は第１図に示したブザーの
斜視図、第３図〜第７図はこの考案の参考となる
例を示したもので、第３図及び第５図は第１図と
同様な断面図、第４図及び第６図は第２図と同様
な斜視図、第７図は第５図の円Ａ内の拡大図であ
る。 １０……筐体、１１……開口、２０……振動板
、２１……圧電素子、３０……上カバー（調整部
材）、Ｓ……共鳴室。

Claims (1)

    【実用新案登録請求の範囲】
  1. 筐体内部の共鳴室に、圧電素子によつて駆動さ
    れる振動板を固定し、前記共鳴室と外部空間とを
    連通させる開口に、該開口の開口面積を変化させ
    る調整部材を設けたことを特徴とする圧電ブザー
    。
JP19525887U 1987-12-23 1987-12-23 Pending JPH01100199U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19525887U JPH01100199U (ja) 1987-12-23 1987-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19525887U JPH01100199U (ja) 1987-12-23 1987-12-23

Publications (1)

Publication Number Publication Date
JPH01100199U true JPH01100199U (ja) 1989-07-05

Family

ID=31485944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19525887U Pending JPH01100199U (ja) 1987-12-23 1987-12-23

Country Status (1)

Country Link
JP (1) JPH01100199U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118599A (ja) * 1989-09-30 1991-05-21 Taiyo Yuden Co Ltd 圧電音響装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03118599A (ja) * 1989-09-30 1991-05-21 Taiyo Yuden Co Ltd 圧電音響装置

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